PT-2021-5185 · Huawei · Huawei Smartphone+1

Published 2021-09-01 · Updated 2023-08-08 · CVE-2021-37020

Positive Technologies (AI Summary)

CVSS v3.1

9.1

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Name of the Vulnerable Software and Affected Versions Huawei Smartphone (affected versions not specified)

Description The issue is related to a Stack-based Buffer Overflow. Successful exploitation of this vulnerability may lead to Out-of-bounds read. Additionally, there is an issue with insufficient input validation in the HarmonyOS operating system, which could allow a remote attacker to cause a denial of service.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Memory Corruption

Weakness Enumeration

CWE-20

CWE-787

Related Identifiers

BDU:2021-05985

CVE-2021-37020

Affected Products

Harmonyos

Huawei Smartphone

References · 6

• https://osv.dev/vulnerability/CVE-2021-37020 · Vendor Advisory
• https://device.harmonyos.com/en/docs/security/update/security-bulletins-202109-0000001196270727 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-37020 · Security Note
• https://bdu.fstec.ru/vul/2021-05985 · Security Note
• https://t.me/cvenotify/24359 · Telegram Post
• https://t.me/cibsecurity/33481 · Telegram Post